6 files changed, 603 insertions, 8 deletions

diff --git a/logic/auth/MojangAccount.cpp b/logic/auth/MojangAccount.cpp
index b1acfb25..185c735c 100644
--- a/logic/auth/MojangAccount.cpp
+++ b/logic/auth/MojangAccount.cpp
@@ -23,6 +23,7 @@
 #include <QJsonObject>
 #include <QJsonArray>
 #include <QRegExp>
+#include <QStringList>
 
 #include <logger/QsLog.h>
 
@@ -52,15 +53,30 @@ MojangAccountPtr MojangAccount::loadFromJson(const QJsonObject &object)
 		QJsonObject profileObject = profileVal.toObject();
 		QString id = profileObject.value("id").toString("");
 		QString name = profileObject.value("name").toString("");
+		bool legacy = profileObject.value("legacy").toBool(false);
 		if (id.isEmpty() || name.isEmpty())
 		{
 			QLOG_WARN() << "Unable to load a profile because it was missing an ID or a name.";
 			continue;
 		}
-		profiles.append({id, name});
+		profiles.append({id, name, legacy});
 	}
 
 	MojangAccountPtr account(new MojangAccount());
+	if(object.value("user").isObject())
+	{
+		User u;
+		QJsonObject userStructure = object.value("user").toObject();
+		u.id = userStructure.value("id").toString();
+		QJsonObject propMap = userStructure.value("properties").toObject();
+		for(auto key: propMap.keys())
+		{
+			auto values = propMap.operator[](key).toArray();
+			for(auto value: values)
+				u.properties.insert(key, value.toString());
+		}
+		account->m_user = u;
+	}
 	account->m_username = username;
 	account->m_clientToken = clientToken;
 	account->m_accessToken = accessToken;
@@ -95,10 +111,24 @@ QJsonObject MojangAccount::saveToJson() const
 		QJsonObject profileObj;
 		profileObj.insert("id", profile.id);
 		profileObj.insert("name", profile.name);
+		profileObj.insert("legacy", profile.legacy);
 		profileArray.append(profileObj);
 	}
 	json.insert("profiles", profileArray);
 
+	QJsonObject userStructure;
+	{
+		userStructure.insert("id", m_user.id);
+		QJsonObject userAttrs;
+		for(auto key: m_user.properties.keys())
+		{
+			auto array = QJsonArray::fromStringList(m_user.properties.values(key));
+			userAttrs.insert(key, array);
+		}
+		userStructure.insert("properties", userAttrs);
+	}
+	json.insert("user", userStructure);
+
 	if (m_currentProfile != -1)
 		json.insert("activeProfile", currentProfile()->id);
 
diff --git a/logic/auth/MojangAccount.h b/logic/auth/MojangAccount.h
index 95f777ce..9eecbc4f 100644
--- a/logic/auth/MojangAccount.h
+++ b/logic/auth/MojangAccount.h
@@ -20,6 +20,7 @@
 #include <QList>
 #include <QJsonObject>
 #include <QPair>
+#include <QMap>
 
 #include <memory>
 
@@ -41,14 +42,13 @@ struct AccountProfile
 {
 	QString id;
 	QString name;
+	bool legacy;
 };
 
 struct User
 {
 	QString id;
-	// pair of key:value
-	// we don't know if the keys:value mapping is 1:1, so a list is used.
-	QList<QPair<QString, QString>> properties;
+	QMultiMap<QString,QString> properties;
 };
 
 enum AccountStatus
diff --git a/logic/auth/MojangAccountList.cpp b/logic/auth/MojangAccountList.cpp
new file mode 100644
index 00000000..0d13cd34
--- /dev/null
+++ b/logic/auth/MojangAccountList.cpp
@@ -0,0 +1,368 @@
+/* Copyright 2013 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "logic/auth/MojangAccountList.h"
+
+#include <QIODevice>
+#include <QFile>
+#include <QTextStream>
+#include <QJsonDocument>
+#include <QJsonArray>
+#include <QJsonObject>
+#include <QJsonParseError>
+
+#include "logger/QsLog.h"
+
+#include "logic/auth/MojangAccount.h"
+
+#define ACCOUNT_LIST_FORMAT_VERSION 2
+
+MojangAccountList::MojangAccountList(QObject *parent) : QAbstractListModel(parent)
+{
+}
+
+MojangAccountPtr MojangAccountList::findAccount(const QString &username) const
+{
+	for (int i = 0; i < count(); i++)
+	{
+		MojangAccountPtr account = at(i);
+		if (account->username() == username)
+			return account;
+	}
+	return nullptr;
+}
+
+const MojangAccountPtr MojangAccountList::at(int i) const
+{
+	return MojangAccountPtr(m_accounts.at(i));
+}
+
+void MojangAccountList::addAccount(const MojangAccountPtr account)
+{
+	beginResetModel();
+	connect(account.get(), SIGNAL(changed()), SLOT(accountChanged()));
+	m_accounts.append(account);
+	endResetModel();
+	onListChanged();
+}
+
+void MojangAccountList::removeAccount(const QString &username)
+{
+	beginResetModel();
+	for (auto account : m_accounts)
+	{
+		if (account->username() == username)
+		{
+			m_accounts.removeOne(account);
+			return;
+		}
+	}
+	endResetModel();
+	onListChanged();
+}
+
+void MojangAccountList::removeAccount(QModelIndex index)
+{
+	beginResetModel();
+	m_accounts.removeAt(index.row());
+	endResetModel();
+	onListChanged();
+}
+
+MojangAccountPtr MojangAccountList::activeAccount() const
+{
+	return m_activeAccount;
+}
+
+void MojangAccountList::setActiveAccount(const QString &username)
+{
+	beginResetModel();
+	if (username.isEmpty())
+	{
+		m_activeAccount = nullptr;
+	}
+	else
+	{
+		for (MojangAccountPtr account : m_accounts)
+		{
+			if (account->username() == username)
+				m_activeAccount = account;
+		}
+	}
+	endResetModel();
+	onActiveChanged();
+}
+
+void MojangAccountList::accountChanged()
+{
+	// the list changed. there is no doubt.
+	onListChanged();
+}
+
+void MojangAccountList::onListChanged()
+{
+	if (m_autosave)
+		// TODO: Alert the user if this fails.
+		saveList();
+
+	emit listChanged();
+}
+
+void MojangAccountList::onActiveChanged()
+{
+	if (m_autosave)
+		saveList();
+
+	emit activeAccountChanged();
+}
+
+int MojangAccountList::count() const
+{
+	return m_accounts.count();
+}
+
+QVariant MojangAccountList::data(const QModelIndex &index, int role) const
+{
+	if (!index.isValid())
+		return QVariant();
+
+	if (index.row() > count())
+		return QVariant();
+
+	MojangAccountPtr account = at(index.row());
+
+	switch (role)
+	{
+	case Qt::DisplayRole:
+		switch (index.column())
+		{
+		case ActiveColumn:
+			return account == m_activeAccount;
+
+		case NameColumn:
+			return account->username();
+
+		default:
+			return QVariant();
+		}
+
+	case Qt::ToolTipRole:
+		return account->username();
+
+	case PointerRole:
+		return qVariantFromValue(account);
+
+	default:
+		return QVariant();
+	}
+}
+
+QVariant MojangAccountList::headerData(int section, Qt::Orientation orientation, int role) const
+{
+	switch (role)
+	{
+	case Qt::DisplayRole:
+		switch (section)
+		{
+		case ActiveColumn:
+			return "Active?";
+
+		case NameColumn:
+			return "Name";
+
+		default:
+			return QVariant();
+		}
+
+	case Qt::ToolTipRole:
+		switch (section)
+		{
+		case NameColumn:
+			return "The name of the version.";
+
+		default:
+			return QVariant();
+		}
+
+	default:
+		return QVariant();
+	}
+}
+
+int MojangAccountList::rowCount(const QModelIndex &parent) const
+{
+	// Return count
+	return count();
+}
+
+int MojangAccountList::columnCount(const QModelIndex &parent) const
+{
+	return 2;
+}
+
+void MojangAccountList::updateListData(QList<MojangAccountPtr> versions)
+{
+	beginResetModel();
+	m_accounts = versions;
+	endResetModel();
+}
+
+bool MojangAccountList::loadList(const QString &filePath)
+{
+	QString path = filePath;
+	if (path.isEmpty())
+		path = m_listFilePath;
+	if (path.isEmpty())
+	{
+		QLOG_ERROR() << "Can't load Mojang account list. No file path given and no default set.";
+		return false;
+	}
+
+	QFile file(path);
+
+	// Try to open the file and fail if we can't.
+	// TODO: We should probably report this error to the user.
+	if (!file.open(QIODevice::ReadOnly))
+	{
+		QLOG_ERROR() << QString("Failed to read the account list file (%1).").arg(path).toUtf8();
+		return false;
+	}
+
+	// Read the file and close it.
+	QByteArray jsonData = file.readAll();
+	file.close();
+
+	QJsonParseError parseError;
+	QJsonDocument jsonDoc = QJsonDocument::fromJson(jsonData, &parseError);
+
+	// Fail if the JSON is invalid.
+	if (parseError.error != QJsonParseError::NoError)
+	{
+		QLOG_ERROR() << QString("Failed to parse account list file: %1 at offset %2")
+							.arg(parseError.errorString(), QString::number(parseError.offset))
+							.toUtf8();
+		return false;
+	}
+
+	// Make sure the root is an object.
+	if (!jsonDoc.isObject())
+	{
+		QLOG_ERROR() << "Invalid account list JSON: Root should be an array.";
+		return false;
+	}
+
+	QJsonObject root = jsonDoc.object();
+
+	// Make sure the format version matches.
+	if (root.value("formatVersion").toVariant().toInt() != ACCOUNT_LIST_FORMAT_VERSION)
+	{
+		QString newName = "accounts-old.json";
+		QLOG_WARN() << "Format version mismatch when loading account list. Existing one will be renamed to"
+					<< newName;
+
+		// Attempt to rename the old version.
+		file.rename(newName);
+		return false;
+	}
+
+	// Now, load the accounts array.
+	beginResetModel();
+	QJsonArray accounts = root.value("accounts").toArray();
+	for (QJsonValue accountVal : accounts)
+	{
+		QJsonObject accountObj = accountVal.toObject();
+		MojangAccountPtr account = MojangAccount::loadFromJson(accountObj);
+		if (account.get() != nullptr)
+		{
+			connect(account.get(), SIGNAL(changed()), SLOT(accountChanged()));
+			m_accounts.append(account);
+		}
+		else
+		{
+			QLOG_WARN() << "Failed to load an account.";
+		}
+	}
+	// Load the active account.
+	m_activeAccount = findAccount(root.value("activeAccount").toString(""));
+	endResetModel();
+	return true;
+}
+
+bool MojangAccountList::saveList(const QString &filePath)
+{
+	QString path(filePath);
+	if (path.isEmpty())
+		path = m_listFilePath;
+	if (path.isEmpty())
+	{
+		QLOG_ERROR() << "Can't save Mojang account list. No file path given and no default set.";
+		return false;
+	}
+
+	QLOG_INFO() << "Writing account list to" << path;
+
+	QLOG_DEBUG() << "Building JSON data structure.";
+	// Build the JSON document to write to the list file.
+	QJsonObject root;
+
+	root.insert("formatVersion", ACCOUNT_LIST_FORMAT_VERSION);
+
+	// Build a list of accounts.
+	QLOG_DEBUG() << "Building account array.";
+	QJsonArray accounts;
+	for (MojangAccountPtr account : m_accounts)
+	{
+		QJsonObject accountObj = account->saveToJson();
+		accounts.append(accountObj);
+	}
+
+	// Insert the account list into the root object.
+	root.insert("accounts", accounts);
+
+	if(m_activeAccount)
+	{
+		// Save the active account.
+		root.insert("activeAccount", m_activeAccount->username());
+	}
+
+	// Create a JSON document object to convert our JSON to bytes.
+	QJsonDocument doc(root);
+
+	// Now that we're done building the JSON object, we can write it to the file.
+	QLOG_DEBUG() << "Writing account list to file.";
+	QFile file(path);
+
+	// Try to open the file and fail if we can't.
+	// TODO: We should probably report this error to the user.
+	if (!file.open(QIODevice::WriteOnly))
+	{
+		QLOG_ERROR() << QString("Failed to read the account list file (%1).").arg(path).toUtf8();
+		return false;
+	}
+
+	// Write the JSON to the file.
+	file.write(doc.toJson());
+	file.close();
+
+	QLOG_INFO() << "Saved account list to" << path;
+
+	return true;
+}
+
+void MojangAccountList::setListFilePath(QString path, bool autosave)
+{
+	m_listFilePath = path;
+	m_autosave = autosave;
+}
diff --git a/logic/auth/MojangAccountList.h b/logic/auth/MojangAccountList.h
new file mode 100644
index 00000000..b3301bf6
--- /dev/null
+++ b/logic/auth/MojangAccountList.h
@@ -0,0 +1,192 @@
+/* Copyright 2013 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QObject>
+#include <QVariant>
+#include <QAbstractListModel>
+#include <QSharedPointer>
+
+#include "logic/auth/MojangAccount.h"
+
+/*!
+ * \brief List of available Mojang accounts.
+ * This should be loaded in the background by MultiMC on startup.
+ *
+ * This class also inherits from QAbstractListModel. Methods from that
+ * class determine how this list shows up in a list view. Said methods
+ * all have a default implementation, but they can be overridden by subclasses to
+ * change the behavior of the list.
+ */
+class MojangAccountList : public QAbstractListModel
+{
+	Q_OBJECT
+public:
+	enum ModelRoles
+	{
+		PointerRole = 0x34B1CB48
+	};
+
+	enum VListColumns
+	{
+		// TODO: Add icon column.
+
+		// First column - Active?
+		ActiveColumn = 0,
+
+		// Second column - Name
+		NameColumn,
+	};
+
+	explicit MojangAccountList(QObject *parent = 0);
+
+	//! Gets the account at the given index.
+	virtual const MojangAccountPtr at(int i) const;
+
+	//! Returns the number of accounts in the list.
+	virtual int count() const;
+
+	//////// List Model Functions ////////
+	virtual QVariant data(const QModelIndex &index, int role) const;
+	virtual QVariant headerData(int section, Qt::Orientation orientation, int role) const;
+	virtual int rowCount(const QModelIndex &parent) const;
+	virtual int columnCount(const QModelIndex &parent) const;
+
+	/*!
+	 * Adds a the given Mojang account to the account list.
+	 */
+	virtual void addAccount(const MojangAccountPtr account);
+
+	/*!
+	 * Removes the mojang account with the given username from the account list.
+	 */
+	virtual void removeAccount(const QString &username);
+
+	/*!
+	 * Removes the account at the given QModelIndex.
+	 */
+	virtual void removeAccount(QModelIndex index);
+
+	/*!
+	 * \brief Finds an account by its username.
+	 * \param The username of the account to find.
+	 * \return A const pointer to the account with the given username. NULL if
+	 * one doesn't exist.
+	 */
+	virtual MojangAccountPtr findAccount(const QString &username) const;
+
+	/*!
+	 * Sets the default path to save the list file to.
+	 * If autosave is true, this list will automatically save to the given path whenever it changes.
+	 * THIS FUNCTION DOES NOT LOAD THE LIST. If you set autosave, be sure to call loadList() immediately
+	 * after calling this function to ensure an autosaved change doesn't overwrite the list you intended
+	 * to load.
+	 */
+	virtual void setListFilePath(QString path, bool autosave = false);
+
+	/*!
+	 * \brief Loads the account list from the given file path.
+	 * If the given file is an empty string (default), will load from the default account list file.
+	 * \return True if successful, otherwise false.
+	 */
+	virtual bool loadList(const QString &file = "");
+
+	/*!
+	 * \brief Saves the account list to the given file.
+	 * If the given file is an empty string (default), will save from the default account list file.
+	 * \return True if successful, otherwise false.
+	 */
+	virtual bool saveList(const QString &file = "");
+
+	/*!
+	 * \brief Gets a pointer to the account that the user has selected as their "active" account.
+	 * Which account is active can be overridden on a per-instance basis, but this will return the one that
+	 * is set as active globally.
+	 * \return The currently active MojangAccount. If there isn't an active account, returns a null pointer.
+	 */
+	virtual MojangAccountPtr activeAccount() const;
+
+	/*!
+	 * Sets the given account as the current active account.
+	 * If the username given is an empty string, sets the active account to nothing.
+	 */
+	virtual void setActiveAccount(const QString &username);
+
+signals:
+	/*!
+	 * Signal emitted to indicate that the account list has changed.
+	 * This will also fire if the value of an element in the list changes (will be implemented
+	 * later).
+	 */
+	void listChanged();
+
+	/*!
+	 * Signal emitted to indicate that the active account has changed.
+	 */
+	void activeAccountChanged();
+
+public
+slots:
+	/**
+	 * This is called when one of the accounts changes and the list needs to be updated
+	 */
+	void accountChanged();
+
+protected:
+	/*!
+	 * Called whenever the list changes.
+	 * This emits the listChanged() signal and autosaves the list (if autosave is enabled).
+	 */
+	void onListChanged();
+
+	/*!
+	 * Called whenever the active account changes.
+	 * Emits the activeAccountChanged() signal and autosaves the list if enabled.
+	 */
+	void onActiveChanged();
+
+	QList<MojangAccountPtr> m_accounts;
+
+	/*!
+	 * Account that is currently active.
+	 */
+	MojangAccountPtr m_activeAccount;
+
+	//! Path to the account list file. Empty string if there isn't one.
+	QString m_listFilePath;
+
+	/*!
+	 * If true, the account list will automatically save to the account list path when it changes.
+	 * Ignored if m_listFilePath is blank.
+	 */
+	bool m_autosave = false;
+
+protected
+slots:
+	/*!
+	 * Updates this list with the given list of accounts.
+	 * This is done by copying each account in the given list and inserting it
+	 * into this one.
+	 * We need to do this so that we can set the parents of the accounts are set to this
+	 * account list. This can't be done in the load task, because the accounts the load
+	 * task creates are on the load task's thread and Qt won't allow their parents
+	 * to be set to something created on another thread.
+	 * To get around that problem, we invoke this method on the GUI thread, which
+	 * then copies the accounts and sets their parents correctly.
+	 * \param accounts List of accounts whose parents should be set.
+	 */
+	virtual void updateListData(QList<MojangAccountPtr> versions);
+};
diff --git a/logic/auth/flows/AuthenticateTask.cpp b/logic/auth/flows/AuthenticateTask.cpp
index 966548ec..d8e5b624 100644
--- a/logic/auth/flows/AuthenticateTask.cpp
+++ b/logic/auth/flows/AuthenticateTask.cpp
@@ -76,7 +76,7 @@ bool AuthenticateTask::processResponse(QJsonObject responseData)
 	// Read the response data. We need to get the client token, access token, and the selected
 	// profile.
 	QLOG_DEBUG() << "Processing authentication response.";
-
+	QLOG_DEBUG() << responseData;
 	// If we already have a client token, make sure the one the server gave us matches our
 	// existing one.
 	QLOG_DEBUG() << "Getting client token.";
@@ -123,6 +123,7 @@ bool AuthenticateTask::processResponse(QJsonObject responseData)
 		// Profiles are easy, we just need their ID and name.
 		QString id = profile.value("id").toString("");
 		QString name = profile.value("name").toString("");
+		bool legacy = profile.value("legacy").toBool(false);
 
 		if (id.isEmpty() || name.isEmpty())
 		{
@@ -134,7 +135,7 @@ bool AuthenticateTask::processResponse(QJsonObject responseData)
 		}
 
 		// Now, add a new AccountProfile entry to the list.
-		loadedProfiles.append({id, name});
+		loadedProfiles.append({id, name, legacy});
 	}
 	// Put the list of profiles we loaded into the MojangAccount object.
 	m_account->m_profiles = loadedProfiles;
@@ -166,10 +167,11 @@ bool AuthenticateTask::processResponse(QJsonObject responseData)
 	// is it a good idea to log this?
 	if (responseData.contains("user"))
 	{
+		User u;
 		auto obj = responseData.value("user").toObject();
-		auto userId = obj.value("id").toString();
+		u.id = obj.value("id").toString();
+		QLOG_DEBUG() << "User ID: " << u.id ;
 		auto propArray = obj.value("properties").toArray();
-		QLOG_DEBUG() << "User ID: " << userId;
 		QLOG_DEBUG() << "User Properties: ";
 		for (auto prop : propArray)
 		{
@@ -177,7 +179,9 @@ bool AuthenticateTask::processResponse(QJsonObject responseData)
 			auto name = propTuple.value("name").toString();
 			auto value = propTuple.value("value").toString();
 			QLOG_DEBUG() << name << " : " << value;
+			u.properties.insert(name, value);
 		}
+		m_account->m_user = u;
 	}
 
 	// We've made it through the minefield of possible errors. Return true to indicate that
diff --git a/logic/auth/flows/RefreshTask.cpp b/logic/auth/flows/RefreshTask.cpp
index bd38eb10..d0ecf06e 100644
--- a/logic/auth/flows/RefreshTask.cpp
+++ b/logic/auth/flows/RefreshTask.cpp
@@ -67,6 +67,7 @@ bool RefreshTask::processResponse(QJsonObject responseData)
 	// profile.
 	QLOG_DEBUG() << "Processing authentication response.";
 
+	QLOG_DEBUG() << responseData;
 	// If we already have a client token, make sure the one the server gave us matches our
 	// existing one.
 	QString clientToken = responseData.value("clientToken").toString("");